Tel.: +86 185 6514 9475

alphageo

Free Quote

English

alphageo

ALPHAGEO LR9

High-Performance GNSS Reference Receiver

ALPHAGEO LR9, a cutting-edge split-design GNSS reference receiver featuring next-generation low-power, high-performance GNSS chipset, supporting multi-frequency, multi-constellation satellite signal reception. Utilizing carrier-phase differential positioning technology (RTK/PPK), the LR9 achieves millimeter-level static positioning accuracy and centimeter-level dynamic positioning accuracy. Engineered for critical applications such as CORS deployment, geohazard monitoring, and structural health monitoring.

Inquire Now

LR9 Brochure.pdf

LR9 Brochure

Details

Features

1. GNSS Positioning Performance:

• Supports all-system and multi-frequency signals including GPS/GLONASS/Beidou/Galileo/QZSS/SBAS, with 1408 channels;

• Achieves millimeter-level static positioning accuracy (Horizontal: ±(2.5+0.5×10⁻⁶×D)mm, Vertical: ±(5+0.5×10⁻⁶×D)mm) and centimeter-level RTK positioning accuracy (Horizontal: ±(8+1×10⁻⁶×D)mm, Vertical: ±(15+1×10⁻⁶×D)mm); cold start < 60s, hot start < 15s.

2. Anti-interference & Stability:

• Adopts multi-frequency anti-jamming technology to resist ionospheric delay and multipath effects;

• IP67 waterproof and dustproof rating, with a wide operating temperature range of -40℃ ~ +75℃ for reliable operation in harsh environments.

3. Hardware Configuration:

• 2.42-inch industrial-grade OLED display; 32GB storage (supports 180 days of continuous raw data recording at 1Hz sampling rate);

• 20000mAh battery with low power consumption of ≤2.5W.

4. Communication & Interfaces:

• Integrates multiple industrial-grade interfaces (RJ45/RS232/USB3.0/LEMO-5, etc.);

• Supports 4G/WiFi (802.11 b/g)/NTRIP protocols, compatible with TCP/IP and RTCM3.x formats.

5. System & Interaction:

• Equipped with a deeply customized embedded Linux OS;

• Features physical buttons (Power/Esc/OK/Navigation) and multi-status indicators (Power/WiFi/Data/Satellite) for intuitive operation.

6. Application Adaptability:

Specifically designed for critical scenarios such as CORS deployment, geohazard monitoring, and structural health monitoring.

Specifications

• GNSS Performance
Signal tracking:
• GPS: L1C/A,L2C,L2P,L5
• GLONASS: G1,G2,G3
• BDS: B1,B1C,B2,B2a,B2b,B3
• GALILEO: E1，E5a,E5b，E6
• QZSS: L1,L2,L5
• SBAS: L1 C/A

Channels: 1408
Cold start: <60s
Hot start: <15s
Positioning output rate: 1Hz
Signal reacquisition: <2s
RTK initialization: <10s(Baseline<10 km)

• Accuracy

Static GNsS surveying:

• Horizontal: ±(2.5+0.5x10-6xD)mm
• Vertical: ±(5+0.5x10-6xD)mm
RTK surveying:
• Horizontal: +(8+1x10-6xD)mm
• Vertical: +(15+1x10-6xD)mm

• Communications
l/O interface
1xPower supply interface
1xLEMO-5 RS232interface
1xGNSS antenna interface
1xWireless interface
1x4G antenna interface
1xPPS interface
1xRJ45 network interface
Communication protocol: TCP/IP, NTRIP
WiFi: 802.11 b/g
Cellular network: Full frequency multi-band 4G GSM module
Differential format: RTCM3.x
Data output format: RTCM3.x

• Data Storage

Memory: 32GB
Storage format: RAW
Sampling rate: 1HZ

• Electrical
Power supply: DC9~36 V
Battery: 20000 mAh
Consumption: ≤2.5 W

• Physical
Dimensions: 196mmx145mmx62mm
Weight: ≤ 1.5 kg
Operating temperature: -40℃~+75℃
Storage temperature: -55℃~+85℃
Waterproof/Dustproof: IP67
Humidity: 100% non-condensing

• User Interaction
Operating system: Linux OS
Buttons: Power button/Esc/OK/Navigations
Indicators: Power/WiFi/Data/Satellite

Applications

Geological disaster monitoring (such as landslide and debris flow early warning)

Geological-disaster-monitoring

Hot Tags

Product Categories

How can we help you

You can contact us any way that is convenient for you. We are available 24/7 via email or telephone.

Need help?

New Products

Pipe 3D Measurement System